Nonstop flight route between Tehran, Iran and Chicago, Illinois, United States:

About this route:

A direct, nonstop flight between Mehrabad Airport (THR), Tehran, Iran and Chicago O'Hare International Airport (ORD), Chicago, Illinois, United States would travel a Great Circle distance of 6,484 miles (or 10,435 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Mehrabad Airport and Chicago O'Hare International Airport, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between Mehrabad Airport and Chicago O'Hare International Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Mehrabad Airport (THR):

• The furthest airport from Mehrabad Airport (THR) is Totegegie Airport (GMR), which is located 11,490 miles (18,491 kilometers) away in Mangareva, Gambier Islands, French Polynesia.
• Mehrabad International Airport consists of six terminals, with Terminals 1,3 and 5 only used during Haj and Umrah seasons.
• The closest airport to Mehrabad Airport (THR) is Tehran Imam Khomeini International Airport (IKA), which is located 21 miles (34 kilometers) SSW of THR.
• Mehrabad Airport (THR) has 3 runways.
• IKA Airport was scheduled to open in 2004 with international flights gradually changing from Mehrabad starting with flights to countries bordering the Persian Gulf.
• An aircraft engineering and maintenance company Fajr Ashian, has a maintenance hangar adjacent to main airport premises.
• Mehrabad Airport handled 13,163,368 passengers last year.
• In addition to being known as "Mehrabad Airport", another name for THR is "فرودگاه مهرآباد".
• Mehrabad International Airport or Mehrabad is an airport that serves Tehran, Iran.

Facts about Chicago O'Hare International Airport (ORD):

• United also runs a post-security shuttle service between Concourse C and Concourses E & F in Terminal 2.
• In 2013, the Chicago Department of Aviation appropriated a $19,500 two-year contract to use livestock, specifically goats, sheep, llamas, and burros, to assist with grounds maintenance.
• The original Douglas Aircraft C-54 Skymaster transport manufacturing plant on the northeast side of the airport became a United States Air Force Air National Guard and Air Force Reserve facility after World War II.
• United Airlines is the largest airline at O'Hare, carrying over 45% of all passengers passing through the airport.
• Ground was broken for the main terminal complex April 1, 1959.
• Chicago O'Hare International Airport (ORD) has 8 runways.
• The closest airport to Chicago O'Hare International Airport (ORD) is Chicago Executive Airport (PWK), which is located only 9 miles (15 kilometers) N of ORD.
• Douglas Company's contract ended in 1945 and though plans were proposed to build commercial aircraft, the company ultimately chose to concentrate production on the west coast.
• Because of Chicago O'Hare International Airport's relatively low elevation of 668 feet, planes can take off or land at Chicago O'Hare International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• The furthest airport from Chicago O'Hare International Airport (ORD) is Margaret River Airport (MGV), which is located 11,071 miles (17,817 kilometers) away in Margaret River, Western Australia, Australia.